Vacuum water diversion system

Abstract

The utility model relates to the technical field of water diversion systems, in particular to a vacuum water diversion system which comprises an oil vacuum pump, a roots pump, an exhaust pipe, a connecting pipe, a vacuum tank, a water pump, a drainage pipeline and a PLC (programmable logic controller) control cabinet. A first connector and a second connector which are communicated with the interior of the vacuum tank are arranged in the vacuum tank, the input end of the roots pump is connected with the first connector through an exhaust pipe, the second connector is connected and communicated with the drainage pipeline, the input end of the water pump is connected and communicated with the drainage pipeline, and the oil vacuum pump, the roots pump and the water pump are all in signal connection with the PLC control cabinet. The oil type vacuum pump is matched with the roots pump to achieve high vacuumizing efficiency, the efficient vacuumizing efficiency is achieved, the operation time of the oil type vacuum pump is shortened, and the operation cost is saved.

Description

Technical Field

[0001] This application relates to the technical field of water intake systems, and more specifically, to a vacuum water intake system. Background Technology

[0002] A vacuum water supply system is a hydraulic system that utilizes the principle of vacuum to guide and transport water. It primarily works by reducing the air pressure within the pipes to allow water to flow automatically without external power. It is typically used in specific applications such as water level raising, water replenishment, wastewater treatment, and agricultural irrigation.

[0003] In related technologies, vacuum water priming systems typically include an oil-filled vacuum pump, a vacuum tank, and a water pump. The vacuum tank is connected to a drainage pipe, and the oil-filled vacuum pump creates a vacuum environment within the vacuum tank by drawing a vacuum. This negative pressure environment draws gas from the drainage pipe into the vacuum tank, creating a pressure difference within the drainage pipe. This pressure difference allows water to be drawn from the drainage pipe and introduced into the vacuum tank. The water pump is connected to the drainage pipe to pump water. By pre-vacuuming and priming the drainage pipe, the water pump can be started conveniently, readily, and quickly.

[0004] Regarding the aforementioned technologies, using an oil-type vacuum pump to evacuate the vacuum tank results in a low vacuum level due to structural limitations and the saturated vapor pressure of the working fluid. This low vacuum level in the vacuum tank and drainage pipe leads to low water priming efficiency. Utility Model Content

[0005] To address the issue of low water priming efficiency when using an oil-type vacuum pump to evacuate vacuum tanks and drainage pipes, this application provides a vacuum water priming system.

[0006] A vacuum water priming system includes an oil-filled vacuum pump, a Roots pump, a suction pipe, a connecting pipe, a vacuum tank, a water pump, a drainage pipe, and a PLC control cabinet. The input end of the oil-filled vacuum pump is connected to the output end of the Roots pump through the connecting pipe. The vacuum tank is provided with a first connector and a second connector that communicate with its interior. The input end of the Roots pump is connected to the first connector through the suction pipe. The second connector is connected to and communicates with the drainage pipe. The input end of the water pump is connected to and communicates with the drainage pipe. The oil-filled vacuum pump, the Roots pump, and the water pump are all signal-connected to the PLC control cabinet.

[0007] Preferably, the input end of the Roots pump is equipped with an electromagnetic vacuum charging valve, which is connected to the PLC control cabinet via signal.

[0008] Preferably, the extraction pipe is equipped with a particulate filter.

[0009] Preferably, a vacuum gauge is installed on the extraction pipe, and the vacuum gauge is connected to the PLC control cabinet via signal.

[0010] Preferably, the system also includes a gas-water separator. The water storage area of ​​the gas-water separator is equipped with a first solenoid valve and a second solenoid valve that communicate with its interior. The vacuum tank is equipped with a third connector that communicates with its interior. The first solenoid valve is connected to a water inlet pipe. The end of the water inlet pipe away from the first solenoid valve is connected to the third connector. The second solenoid valve is connected to the water inlet of the water pump. The gas outlet of the gas-water separator is equipped with a third solenoid valve. The gas-water separator is also equipped with a liquid level sensor for sensing the water level in its water storage area. The gas-water separator, the first solenoid valve, the second solenoid valve, the third solenoid valve, and the liquid level sensor are all connected to the PLC control cabinet via signal connection.

[0011] The beneficial technical effects of this application are as follows: an oil-type vacuum pump is used to quickly create a vacuum environment inside the vacuum tank and drainage pipe, and a Roots pump is used to increase the vacuum level in the vacuum tank and drainage pipe. The combination of the oil-type vacuum pump and the Roots pump achieves high vacuum efficiency and a high vacuum level. The high vacuum efficiency helps to reduce pump running time and save operating costs. The high vacuum level creates a large pressure difference between the drainage pipe and the outside, which enables rapid water priming and high water priming efficiency. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the first angle structure of a vacuum water supply system according to this embodiment.

[0013] Figure 2 This is a schematic diagram of the second angle structure of a vacuum water supply system according to this embodiment.

[0014] Reference numerals in the attached diagram: 1. Oil-filled vacuum pump; 2. Roots pump; 21. Electromagnetic vacuum charging valve; 3. Evacuation pipe; 31. Pump connecting pipe; 32. Tank connecting pipe; 321. Particulate filter; 322. Vacuum gauge; 4. Connecting pipe; 5. Vacuum tank; 51. First connector; 52. Second connector; 53. Third connector; 6. Water pump; 7. Drainage pipe; 8. Gas-water separator; 81. First solenoid valve; 82. Second solenoid valve; 83. Water inlet pipe; 84. Third solenoid valve; 85. Liquid level sensor; 86. Fourth solenoid valve; 9. PLC control cabinet. Detailed Implementation

[0015] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0016] Reference Figure 1 and Figure 2 A vacuum water priming system includes an oil-filled vacuum pump 1, a Roots pump 2, a suction pipe 3, a connecting pipe 4, a vacuum tank 5, a water pump 6, and a drainage pipe 7. There are two oil-filled vacuum pumps 1 and two Roots pumps 2. One oil-filled vacuum pump 1 and one Roots pump 2 form one vacuum pump group, and another oil-filled vacuum pump 1 and another Roots pump 2 form another vacuum pump group. In the vacuum pump group, the input end of the oil-filled vacuum pump 1 is connected to the output end of the Roots pump 2 via the connecting pipe 4. The vacuum tank 5 is equipped with a first connector 51 and a second connector 52 connecting its interior. The suction pipe 3 includes a pump connecting pipe 31 and a tank connecting pipe 32. Both input ends of the two Roots pumps 2 are equipped with electromagnetic vacuum charging valves 21. Both ends of the pump connecting pipe 31 are connected to the electromagnetic vacuum charging valves 21 of the two Roots pumps 2, respectively. One end of the tank connecting pipe 32 is connected to the pump connecting pipe 31. The middle part of 1 is connected and connected, and the other end of the tank connecting pipe 32 is connected to the first connector 51 so that both Roots pumps 2 are connected to the vacuum tank 5. The second connector 52 is connected to the drain pipe 7 (not shown in the figure). The Roots pump 2 quickly extracts the gas inside the vacuum tank 5 and the drain pipe 7 to create a negative pressure environment. Then, the oil vacuum pump 1 operates synchronously to perform vacuuming, thereby increasing the vacuum degree in the vacuum tank 5 and the drain pipe 7. The high vacuuming efficiency reduces the running time of the oil vacuum pump 1, which is beneficial to saving operating costs. At the same time, the two sets of vacuum pumps are used to achieve one standby and one use, which is beneficial to reduce the situation where drainage is delayed due to the failure of one vacuum pump set. The electromagnetic vacuum charging valve 21 controls the opening or closing of the air extraction pipe 3 and realizes the regulation of air pressure, which is beneficial to reduce and stabilize the air pressure in the air extraction pipe 3 and control the vacuuming efficiency.

[0017] Reference Figure 1 and Figure 2 The second connector 52 is connected to and communicates with the drainage pipe 7. The input end of the water pump 6 (not shown in the figure) is connected to and communicates with the drainage pipe 7. After the vacuum pump group evacuates the inside of the drainage pipe 7, the drainage pipe 7 generates a pressure difference after extracting the gas to induce water to fill the drainage pipe 7. The gas inside the drainage pipe 7 is discharged to avoid the presence of air inside the drainage pipe 7, which would cause air resistance at the input end of the water pump 6, preventing the water from flowing smoothly into the pump chamber. This allows the drainage pipe 7 to be pre-distributed with water so that the water pump 6 can suck in water more smoothly and quickly, facilitating the rapid start-up of the water pump 6.

[0018] Reference Figure 1 and Figure 2 Furthermore, a particle filter 321 and a vacuum gauge 322 are installed on the tank connecting pipe 32. The particle filter 321 filters particles to reduce the amount of particles inside the vacuum tank 5 and the drain pipe 7 entering the Roots pump 2 and the oil vacuum pump 1, thereby reducing the possibility of damage to the Roots pump 2 and the oil vacuum pump 1. The vacuum gauge 322 measures the vacuum to monitor the vacuum value inside the vacuum tank 5 and the drain pipe 7.

[0019] Reference Figure 1 and Figure 2 Furthermore, a vacuum water evacuation system also includes a gas-water separator 8. The water storage area of ​​the gas-water separator 8 is equipped with a first solenoid valve 81 and a second solenoid valve 82 communicating with its interior. A third connector 53 communicating with the interior of the vacuum tank 5 is provided on the vacuum tank 5. The first solenoid valve 81 is connected to a water inlet pipe 83, with the end of the water inlet pipe 83 away from the first solenoid valve 81 connected to the third connector 53. The second solenoid valve 82 is connected to the water inlet of the water pump 6. A third solenoid valve 84 is provided at the gas outlet of the gas-water separator 8. A liquid level sensor 85 is also provided on the gas-water separator 8 to sense the water level in its water storage area. The system evacuates the vacuum tank 5 by evacuating the vacuum tank 5. While the vacuum tank 5 is empty, the water inlet pipe 83 and the air-water separator 8 are evacuated, so that the water entering the vacuum tank 5 enters the water storage area of ​​the air-water separator 8 through the water inlet pipe 83 and enters the water pump 6 to automatically provide working water for the water pump 6, reducing the manual water addition operation and reducing the labor intensity of the staff. The vacuum of the air-water separator 8 and the vacuum tank 5 is broken by the third solenoid valve 84 to facilitate the operation of the water pump 6. The air-water separator 8 is also equipped with a fourth solenoid valve 86 that connects to its water storage area. The water in the water storage area of ​​the air-water separator 8 is discharged to the outside through the fourth solenoid valve 86. The air-water separator 8 is existing technology and will not be described in detail in this application.

[0020] Reference Figure 1 and Figure 2 A vacuum water supply system also includes a PLC control cabinet 9, an oil-type vacuum pump 1, a Roots pump 2, a vacuum tank 5, a water pump 6, an electromagnetic vacuum filling valve 21, a vacuum gauge 322, a first solenoid valve 81, a second solenoid valve 82, a third solenoid valve 84, a fourth solenoid valve 86, a gas-water separator 8, and a liquid level sensor 85, all of which are connected to the PLC control cabinet 9 to achieve automatic control and reduce the labor intensity of workers.

[0021] The implementation principle of the vacuum water priming system of this application is as follows: PLC control cabinet 9 controls the electromagnetic vacuum charging valve 21 to open and controls the Roots pump 2 and the oil vacuum pump 1 to operate simultaneously to evacuate the vacuum tank 5 and the drainage pipe 7, thereby pre-priming water into the drainage pipe 7 and the vacuum tank 5 and venting the air. The vacuum degree is fed back to PLC control cabinet 9 through vacuum gauge 322. After the vacuum degree reaches the preset value, PLC control cabinet 9 controls the Roots pump 2 and the oil vacuum pump 1 to close, and PLC control cabinet 9 controls the first solenoid valve 81 to open to allow air and water to pass through. The separator 8 creates a vacuum environment. Water in the vacuum tank 5 flows into the water storage area of ​​the gas-water separator 8 through the water inlet pipe 83. When the water level in the water storage area of ​​the gas-water separator 8 reaches the value required for the water pump 6 to operate, the PLC control cabinet 9 controls the second solenoid valve 82 to open, allowing water in the water storage area of ​​the gas-water separator 8 to enter the water pump 6 to provide working water for the water pump 6. After the water supply is completed, the second solenoid valve 82 is closed, and the PLC control cabinet 9 then controls the water pump 6 to operate and extract water from the drainage pipe 7. While water pump 6 draws water from drainage pipe 7, the PLC control cabinet controls the third solenoid valve 84 and the fourth solenoid valve 86 to open and the first solenoid valve 81 to close, thereby breaking the vacuum in gas-water separator 8 and discharging the water from gas-water separator 8 to the outside. After the water in gas-water separator 8 is drained, the PLC control cabinet controls the first solenoid valve 81 to open and the third solenoid valve 84 to close, and then starts the vacuum pump group to evacuate vacuum tank 5 and maintain the vacuum, preparing for the next operation of water pump 6 to pump water. This application uses Roots pump 2 to quickly create a vacuum environment inside vacuum tank 5 and drainage pipe 7, and then uses oil-type vacuum pump 1 to increase the vacuum level in vacuum tank 5 and drainage pipe 7. The oil-type vacuum pump 1 and Roots pump 2 work together to achieve high vacuum efficiency, and the high efficiency of vacuuming reduces the operating time of oil-type vacuum pump 1, which helps to save operating costs.

[0022] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vacuum water intake system, characterized in that: The system includes an oil-filled vacuum pump, a Roots pump, a suction pipe, a connecting pipe, a vacuum tank, a water pump, a drainage pipe, and a PLC control cabinet. The input end of the oil-filled vacuum pump is connected to the output end of the Roots pump through the connecting pipe. The vacuum tank is equipped with a first connector and a second connector that connect to its interior. The input end of the Roots pump is connected to the first connector through the suction pipe, and the second connector is connected to and communicates with the drainage pipe. The input end of the water pump is connected to and communicates with the drainage pipe. The oil-filled vacuum pump, the Roots pump, and the water pump are all connected to the PLC control cabinet via signal connections.

2. The vacuum water intake system according to claim 1, characterized in that: The input end of the Roots pump is equipped with an electromagnetic vacuum charging valve, which is connected to the PLC control cabinet via signal.

3. The vacuum water intake system according to claim 1, characterized in that: A particulate filter is installed on the exhaust pipe.

4. A vacuum water intake system according to claim 1, characterized in that: A vacuum gauge is installed on the extraction pipe, and the vacuum gauge is connected to the PLC control cabinet via signal.

5. A vacuum water intake system according to claim 1, characterized in that: It also includes a gas-water separator, the water storage area of ​​which is equipped with a first solenoid valve and a second solenoid valve communicating with its interior. The vacuum tank is equipped with a third connector communicating with its interior. The first solenoid valve is connected to a water inlet pipe, and the end of the water inlet pipe away from the first solenoid valve is connected to the third connector. The second solenoid valve is connected to the water inlet of the water pump. The gas outlet of the gas-water separator is equipped with a third solenoid valve. The gas-water separator is also equipped with a liquid level sensor for sensing the water level in its water storage area. The gas-water separator, the first solenoid valve, the second solenoid valve, the third solenoid valve, and the liquid level sensor are all connected to the PLC control cabinet via signal.

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